/**
 * MIT License
 * Copyright (c) 2012, Francis Vinluan
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy 
 * of this software and associated documentation files (the "Software"), to deal 
 * in the Software without restriction, including without limitation the rights 
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 * copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/**
 * GPL LIcense Copyright (c) 2012, Francis Vinluan
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

var monthShortNames = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
		'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');

var monthNames = new Array('January', 'February', 'March', 'April', 'May',
		'June', 'July', 'August', 'September', 'October', 'November',
		'December');

var dayNames = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday',
		'Thursday', 'Friday', 'Saturday');

(function($) {
	$.fn.extend({
		// pass the options variable to the function
		servertime : function(options) {
			var defaults = {
				date : new Date(),
				timeDiff : 0,
				format : "MM/dd/yyyy HH:mm:ss",
			};

			// Iterate over the current set of matched elements
			return this.each(function() {
				var o = options;
				var timeDiff = defaults.timeDiff;
				var format = defaults.format;

				if (o) {
					if (o.date) {
						var timestmp = o.date.getTime();
						timeDiff = timestmp - defaults.date.getTime();
					}

					if (o.format) {
						format = o.format;
					}

				}

				var id = $(this).attr("id");
				updateServerTime(id, timeDiff, format);
				setInterval('updateServerTime("' + id + '", ' + timeDiff
						+ ',"' + format + '")', 250);

			});
		}
	});

})(jQuery);

function addLeadingZero(i) {
	return (i < 10 ? "0" : "") + i;
}

function updateServerTime(elem_id, diff, fmt) {
	var currentTime = new Date();
	currentTime = currentTime.getTime();
	currentTime = currentTime + diff;
	currentTime = new Date(currentTime);
	var d = serverDateFormat(currentTime, fmt);

	$('#' + elem_id).html('<span class="serverDate">' + d + '</span>');
}

function serverDateFormat(d, pattern) {
	return pattern.replace(
			/(yyyy|yy|MMMM|MMM|MM|EEEE|EEE|dd|HHH|hh|mm|ss|a)/gi,
			function(val) {
				switch (val) {
				case 'yy':
					return d.getFullYear().toString().substr(2);
				case 'yyyy':
					return d.getFullYear();
				case 'MMMM':
					return monthNames[d.getMonth()];
				case 'MMM':
					return monthNames[d.getMonth()].substr(0, 3);
				case 'MM':
					return addLeadingZero(d.getMonth() + 1);
				case 'EEEE':
					return dayNames[d.getDay()];
				case 'EEE':
					return dayNames[d.getDay()].substr(0, 3);
				case 'dd':
					return addLeadingZero(d.getDate());
				case 'HH':
					return addLeadingZero(d.getHours());
				case 'hh':
					return addLeadingZero((h = d.getHours() % 12) ? h : 12);
				case 'mm':
					return addLeadingZero(d.getMinutes());
				case 'ss':
					return addLeadingZero(d.getSeconds());
				case 'a':
					return d.getHours() < 12 ? 'AM' : 'PM';
				}
			});
}
